Four way corner level



FIG. 1 is a front perspective view of a four way corner level showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a left side perspective view thereof;

FIG. 4 is a right side perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a four way corner level, as shown and described. 